Twin Oaks

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Snapshot

Twin Oaks has 8 groundwater monitoring wells, 7 of which have been polluted above federal advisory levels based on samples collected between June 14, 2016 and October 10, 2017. Groundwater at this site contains unsafe levels of cobalt, radium, arsenic, lithium, sulfate and thallium.

Site description

Twin Oaks Power One is a 349 MW coal power plant located in Robertson County, Texas. Twin Oaks began operations in 1990, and is owned and operated by Major Oak Power, LLC, a subsidiary of Blackstone Group, LP. The plant has a lined landfill regulated under the federal coal ash rule. The Twin Oaks’ Closure Plan estimates the landfill’s largest possible area to be 129 acres.

For more information on Twin Oaks Power One, see EIP's reports, America's Top Power Plant Toxic Air Polluters and Dirty Kilowatts.

For more information about Texas Coal Ash, see Earthjustice's fact sheet, Texas and Coal Ash Disposal in Ponds and Landfills.

Monitoring Wells Wells reporting one or more exceedances for at least one pollutant.
7 / 8
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One or more exeedances
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Well "halo" size corresponds to mean concentration. Please note that some wells may not be visible on the map due to overlapping locations.
Pollutants monitored and above guidelines
Tip: Click on a contaminant to view wells that have recorded exceedances. Click again to remove the filter. arsenic cobalt lithium radium sulfate thallium
Pollutants monitored and below guidelines
antimony barium beryllium boron cadmium chromium fluoride lead mercury molybdenum selenium
Pollutants not monitored
ammonia, copper, cyanide, gross alpha particle, gross beta particle, hexavalent chromium, manganese, nickel, nitrate, nitrite, silver, strontium, tritium, uranium

Facility last updated on Friday, October 26, 2018 03:19:24 PM EDT